<html>
  <head>
    <meta name="viewport" concent="width=device-width">
    <meta charset="UTF-8">
    <title>轮播图片</title>
      <style>
        a{text-decoration:none;}
      </style>
  </head>
  <body style="text-align:center;"> 
    <a href="jpg1.html" target="tu"width="100%">1</a>
    <a href="jpg2.html" target="tu"width="100%">2</a> 
    <a href="jpg3.html" target="tu"width="100%">3</a>
    <a href="jpg4.html" target="tu"width="100%">4</a>
  <hr />
    <iframe src="jpg4.html" name="tu" frameborder="0" scrolling="no" align:center height="400" width ="282"></iframe>
  </body>
</html>